summaryrefslogtreecommitdiff
path: root/test/files/specialized/arrays.scala
blob: 505f48248651c52381c7cdd5128d20e2bb4e3bcf (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
import runtime.ScalaRunTime._


class Generic[T](a: Array[T]) {
  def apply() = a(0)
}


class Spec[@specialized(AnyRef) T](a: Array[T]) {
  def apply() = a(0)
}


object Test {

  def main(args: Array[String]) {
    val len = 50

    testSpec(new Array[String](len))
    println(arrayApplyCount)

    (new Spec(new Array[String](len)))()
    println(arrayApplyCount)

    testGeneric(new Array[String](len))
    println(arrayApplyCount)

    (new Generic(new Array[String](len)))()
    println(arrayApplyCount)
  }

  def testGeneric[T](a: Array[T]) = {
    var i = 0
    var sum = 0
    while (i < a.length) {
      sum += (if (a(i) != null) 1 else 0)
      i += 1
    }
    sum
  }

  def testSpec[@specialized(AnyRef) T](a: Array[T]) = {
    var i = 0
    var sum = 0
    while (i < a.length) {
      sum += (if (a(i) != null) 1 else 0)
      i += 1
    }
    sum
  }

}